Sharp AR-C240P Specifications Page 101
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3.4 Paper Thickness Detection Sensitivity Adjustment and Media Thickness Detection
Value Check
Outline:
The sensitivity of a micro displacement sensor used for detecting media thickness varies from
one to another. Therefore, to ascertain the sensitivity in advance, check the output value of
the sensor by passing media of known thickness through the printer equipped with the sensor.
The sensitivity is fixed based on the output value.
Adjustments must be made when the paper thickness sensor, the registration roller and the
PU board are replaced.
By passing, from the multipurpose tray, four sheets of paper whose thickness has been
measured with a micrometer (MDQ-30M, MDQ-30), the correction value for media thickness
sensitivity is automatically set with the first three sheets. Check the media thickness detection
value with the fourth sheet.
Media: Transparency (42404301)
Paper thickness difference: Within ±10∝m
3.4.1 Applicable Operating Systems and Interfaces, and File Required
I/F
Centronics
USB
Centronics
USB
File Type
No file required
USB driver
No file required
File Name
No file required
USB Driver for
Win98.exe
No file required
Remarks
The interface port must be checked for its
bidirectional setting.
With the insertion of a USB, installation screen
display is provided.
Inapplicable
OS
Win9x Series
(95/98/Me)
Win2000/XP
Software: AdjustmentMM.exe (Ver. 1.12) File Required: Opusbase.dll
Note:
For use of a Centronics interface, the interface port must be checked for its bidirectional
setting.
Checking: Check the parallel port is set to bidirectional in the BIOS setup (Parallel Mode
parameter: Bi directional. No ECP/EEP).
Note:
BIOS setup and program words vary with personal computers. Be sure to refer to the user
documentation for the PC used.
(Example for NEC PCs)
(1) Power on the PC.
(2) POST (Power On Self-Test) details are displayed on the PC screen and then, at the lower
left of the screen, Press <F2> to enter SETUP is shown.
(3) At the press of <F2>, SETUP is activated and the Main menu appears.
(4) Select Peripheral Configuration from the Advanced menu.
(5) Select Parallel Mode and check the parallel port is set to Bi directional.
(6) Press Esc to end the checking.
- AR -C 240P 1
- CONTENTS 3
- 1. CONFIGURATIONS 6
- 1.1 System Configuration 6
- 1.2 Printer Configuration 7
- 1.3 Supplies and Consumables 8
- Option Configuration 9
- 1.4 Specifications 10
- 2. OPERATION DESCRIPTION 12
- 2.1 Main Board (TIG PWB) 13
- 2.3 Power Units 16
- Disconnect 17
- [Maintenance Tools] 18
- Table 2-1 Maintenance Tools 18
- 2.2 Parts layout 19
- For 600dpi 20
- [Printer Unit-1/2] 21
- Figure 2-3 21
- [Printer Unit-2/2] 22
- Figure 2-4 22
- [Cassette Guide Assy (L),(R)] 23
- Figure 2-5 23
- [Duplex Unit] 24
- Figure 2-6 24
- 2.3 Replacing Parts 25
- 2.3.1 Top Cover 27
- (1) Open the Top Cover assy 27
- Figure 2-3-1 Top Cover 27
- 2.3.6 Eject Guide Assy 32
- (1) Remove the cassette 1 34
- 2.3.11 Face-Up Tray 37
- Figure 2-3-11 Face-Up Tray 37
- 2.3.15 Drum Contact Assys 41
- Stage height adjustment jig 43
- Top surface 43
- 2.3.20 Main Cooling Fan 46
- Connectors 47
- 2.3.22 Duplex Guide Assy 48
- Main chassis 52
- 2.3.27 Entrance Sensor PWB 53
- 2.3.30 Exit Sensor Assy 56
- 2.3.42 Fuser Unit 68
- (1) Open the top cover 1 68
- Figure 2-3-42 Fuser Unit 68
- 2.3.44 Duplex Unit 70
- Figure 2-3-44 Duplex Unit 70
- 3. ADJUSTMENT 76
- 3.0 System Maintenance MENU 76
- Maintenance Menu 78
- SWITCH SCAN 80
- MOTOR & CLUTCH TEST 84
- BLACK - ID MOTOR 84
- Figure 3-3 85
- Table 3-2 85
- TEST PATTERN 86
- Pattern 5 Pattern 6 88
- Pattern 7 88
- MTR=*.**KV CTR=*.**KV 89
- P=*** T=*** U=***[###] 89
- H=***% L=***[###] 89
- KTR=*.**KV YTR=*.**KV 89
- NV-RAM INITIAL 90
- TOTAL SHEETS FEED 91
- BLACK IMPRESSIONS 91
- YELLOW IMPRESSIONS 91
- MAGENTA IMPRESSIONS 91
- CYAN IMPRESSIONS 91
- 3.1.2.9 Panel display details 92
- Panel display 92
- Details of jam error display 96
- Value Check 101
- Measurement point 104
- 2-Character correction value 108
- Code content Barcode 108
- 5. TROUBLESHOOTING PROCEDURES 111
- 5.5 Troubleshooting Procedure 112
- Back-up roller thermister 128
- Heat roller thermister 128
- DIAGNOSTIC MODE 139
- XX.XX.XX 139
- Charge Roller 144
- Developing Roller 144
- Toner Supply Roller 144
- 5.6 Fuse check 145
- 6. CONNECTION DIAGRAM 146
- 6.1 Resistance Checks 146
- Feeder Motor 148
- Duplex Motor 148
- 6.2 Program/Font ROM Layouts 150
- (2) Main Controller PWB 152
- (6) N71 PWB 154
- Item Description 156
- INPUT. PRIME 157
- ACKNOWLEDGE 157
- 1. Parts Replacement 160
- APPENDIX C ERROR MESSAGES 165
- 1. Error messages 165
- 5. Other Warnings 177
- PARTS GUIDE 179
- (1) Main Assembly 1/3 181
- (1) Main Assembly 2/3 182
- (1) Main Assembly 3/3 183
- (2) Top Cover Assembly 185
- (2) Top Cover Assembly 186
- (3) Printer Unit Chassis 1/2 187
- (3) Printer Unit Chassis 2/2 188
- (3) Printer Unit Chassis 189
- (4) Paper Tray Guide 191
- (4)Paper Tray Guide 192
- (5)Duplex Unit 193
- (5) Duplex Unit 194
- ALL RIGHTS RESERVED 196
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